<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Document</title>
  <!-- CSS only -->
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" />
  <style>
    .red {
      color: red !important;
    }

    .search {
      width: 300px;
      margin: 20px 0;
    }

    .my-form {
      display: flex;
      margin: 20px 0;
    }

    .my-form input {
      flex: 1;
      margin-right: 20px;
    }

    .table> :not(:first-child) {
      border-top: none;
    }

    .contain {
      display: flex;
      padding: 10px;
    }

    .list-box {
      flex: 1;
      padding: 0 30px;
    }

    .list-box a {
      text-decoration: none;
    }

    .echarts-box {
      width: 600px;
      height: 400px;
      padding: 30px;
      margin: 0 auto;
      border: 1px solid #ccc;
    }

    tfoot {
      font-weight: bold;
    }

    @media screen and (max-width: 1000px) {
      .contain {
        flex-wrap: wrap;
      }

      .list-box {
        width: 100%;
      }

      .echarts-box {
        margin-top: 30px;
      }
    }
  </style>
</head>

<body>
  <div id="app">
    <div class="contain">
      <!-- 左侧列表 -->
      <div class="list-box">

        <!-- 添加资产 -->
        <form class="my-form">
          <input type="text" class="form-control" placeholder="消费名称" v-model="goodsName" />
          <input type="text" class="form-control" placeholder="消费价格" v-model="goodsPrice" />
          <button type="button" class="btn btn-primary" @click="add">添加账单</button>
        </form>

        <table class="table table-hover">
          <thead>
            <tr>
              <th>编号</th>
              <th>消费名称</th>
              <th>消费价格</th>
              <th>操作</th>
            </tr>
          </thead>
          <tbody>
            <tr v-for="(item, index) in list" :key="item.id">
              <td>{{ index + 1 }}</td>
              <td>{{ item.name }}</td>
              <td :class="{'red': item.price > 500}">{{ item.price }}</td>
              <td><a href="javascript:;" @click="deleteItem(item.id)">删除</a></td>
            </tr>

          </tbody>
          <tfoot>
            <tr>
              <td colspan="4">消费总计： {{ totalPrice() }}</td>
            </tr>
          </tfoot>
        </table>
      </div>

      <!-- 右侧图表 -->
      <div class="echarts-box" id="main"></div>
    </div>
  </div>
  <script src="./../js/echarts.min.js"></script>
  <script src="./../js/vue.js"></script>
  <script src="./../js/axios.js"></script>
  <script>
    /**
     * 接口文档地址：
     * https://www.apifox.cn/apidoc/shared-24459455-ebb1-4fdc-8df8-0aff8dc317a8/api-53371058
     * 
     * 功能需求：
     * 1. 基本渲染
     * 2. 添加功能
     * 3. 删除功能
     * 4. 饼图渲染
     */
    const app = new Vue({
      el: '#app',
      data: {
        goodsName: '',
        goodsPrice: '',
        list: []
      },
      created() {
        this.getList()
      },
      mounted() {
        this.myChart = echarts.init(document.querySelector('#main'));
        this.myChart.setOption({

          title: {
            text: '消费明细表',
            left: 'center'
          },
          tooltip: {
            trigger: 'item'
          },
          legend: {
            orient: 'vertical',
            left: 'left'
          },
          series: [
            {
              name: '消费项',
              type: 'pie',
              radius: '50%',
              data: [

              ],
              emphasis: {
                itemStyle: {
                  shadowBlur: 10,
                  shadowOffsetX: 0,
                  shadowColor: 'rgba(0, 0, 0, 0.5)'
                }
              }
            }
          ]
        }
        );
      },
      methods: {

        async add() {
          // 数据非空判断
          if (this.goodsName.trim() === '' || this.goodsPrice.trim() === '') {
            return this.msg = '商品名称和价格不能为空'
          }
          // 创建对象
          const obj = {
            creator: '李华2',
            name: this.goodsName,
            price: this.goodsPrice
          }
          // 发送请求
          await axios.post('https://applet-base-api-t.itheima.net/bill', obj)
          this.getList()
          // 清空输入框
          this.goodsName = ''
          this.goodsPrice = ''
        },
        async deleteItem(id) {
          await axios.delete(`https://applet-base-api-t.itheima.net/bill/${id}`)
          this.getList()
        },
        totalPrice() {
          return this.list.reduce((total, item) => {
            return total + item.price
          }, 0)
        },
        async getList() {
          const res = await axios.get('https://applet-base-api-t.itheima.net/bill', {
            params: {
              creator: "李华2"
            }
          })

          this.list = res.data.data

          // 更新图表
          this.myChart.setOption({
            series: [
              {
                data: this.list.map(item => ({ value: item.price, name: item.name }))
              }
            ]
          });
        }
      }
    })
  </script>
</body>

</html>